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huangyuanlovehuangyuanlove
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add sliver_tools and flutter_sticky_header, like qq contact list
1 parent 1c1bf8e commit 9fc8751

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12 files changed

+768
-1
lines changed

12 files changed

+768
-1
lines changed

‎lib/third_part.dart‎

Lines changed: 12 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -3,6 +3,7 @@ import 'package:flutter/material.dart';
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import 'package:flutter_widget/third_part/image_test.dart';
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import 'package:flutter_widget/third_part/riverpod/riverpod_widget.dart';
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import 'package:flutter_widget/third_part/show_rich_text_html.dart';
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import 'package:flutter_widget/third_part/sticky_header/sticky_header_like_qq_list.dart';
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class ThirdPart extends StatelessWidget {
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@override
@@ -57,7 +58,17 @@ class ThirdPart extends StatelessWidget {
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child: Text("TestImage"),
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),
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Divider(height: 10,),
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ElevatedButton(
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onPressed: () =>
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{
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Navigator.of(context).push(
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MaterialPageRoute(builder: (BuildContext context) {
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return StickyHeaderLikeQQList();
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}))
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},
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child: Text("StickyHeaderLikeQQList"),
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),
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Divider(height: 10,),
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],
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),

‎lib/third_part/sticky_header/animated_header.dart‎

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@@ -0,0 +1,72 @@
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import 'package:flutter/material.dart';
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import 'package:flutter_sticky_header/flutter_sticky_header.dart';
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import 'sticky_header_common.dart';
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class AnimatedHeaderExample extends StatelessWidget {
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const AnimatedHeaderExample({
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Key? key,
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}) : super(key: key);
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@override
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Widget build(BuildContext context) {
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return StickyHeaderScaffold(
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title: 'Animated header Example',
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slivers: [
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_StickyHeaderList(index: 0),
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_StickyHeaderList(index: 1),
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_StickyHeaderList(index: 2),
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_StickyHeaderList(index: 3),
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],
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);
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}
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}
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class _StickyHeaderList extends StatelessWidget {
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const _StickyHeaderList({
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Key? key,
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this.index,
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}) : super(key: key);
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final int? index;
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@override
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Widget build(BuildContext context) {
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return SliverStickyHeader.builder(
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builder: (context, state) => _AnimatedHeader(
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state: state,
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index: index,
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),
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sliver: SliverList(
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delegate: SliverChildBuilderDelegate(
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(context, i) => ListTile(
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leading: CircleAvatar(
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child: Text('$index'),
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),
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title: Text('List tile #$i'),
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),
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childCount: 6,
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),
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),
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);
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}
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}
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class _AnimatedHeader extends StatelessWidget {
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const _AnimatedHeader({
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Key? key,
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this.state,
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this.index,
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}) : super(key: key);
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final int? index;
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final SliverStickyHeaderState? state;
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@override
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Widget build(BuildContext context) {
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return Header(
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index: index,
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color: Colors.lightBlue.withOpacity(1 - state!.scrollPercentage),
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);
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}
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}

‎lib/third_part/sticky_header/grid.dart‎

Lines changed: 63 additions & 0 deletions
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@@ -0,0 +1,63 @@
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import 'package:flutter/material.dart';
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import 'package:flutter_sticky_header/flutter_sticky_header.dart';
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import 'sticky_header_common.dart';
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class GridExample extends StatelessWidget {
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const GridExample({
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Key? key,
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}) : super(key: key);
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@override
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Widget build(BuildContext context) {
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return StickyHeaderScaffold(
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title: 'Grid Example',
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slivers: [
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_StickyHeaderGrid(index: 0),
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_StickyHeaderGrid(index: 1),
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_StickyHeaderGrid(index: 2),
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_StickyHeaderGrid(index: 3),
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],
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);
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}
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}
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class _StickyHeaderGrid extends StatelessWidget {
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const _StickyHeaderGrid({
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Key? key,
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this.index,
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}) : super(key: key);
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final int? index;
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@override
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Widget build(BuildContext context) {
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return SliverStickyHeader(
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header: Header(index: index),
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sliver: SliverGrid(
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gridDelegate: SliverGridDelegateWithFixedCrossAxisCount(
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crossAxisCount: 3, crossAxisSpacing: 4.0, mainAxisSpacing: 4.0),
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delegate: SliverChildBuilderDelegate(
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(context, i) => GridTile(
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child: Card(
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child: Container(
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color: Colors.green,
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),
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),
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footer: Container(
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color: Colors.white.withOpacity(0.5),
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child: Padding(
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padding: const EdgeInsets.all(8.0),
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child: Text(
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'Grid tile #$i',
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style: const TextStyle(color: Colors.black),
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),
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),
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),
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),
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childCount: 9,
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),
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),
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);
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}
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}

‎lib/third_part/sticky_header/list.dart‎

Lines changed: 53 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,53 @@
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import 'package:flutter/material.dart';
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import 'package:flutter_sticky_header/flutter_sticky_header.dart';
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import 'sticky_header_common.dart';
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class ListExample extends StatelessWidget {
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const ListExample({
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Key? key,
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}) : super(key: key);
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@override
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Widget build(BuildContext context) {
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return StickyHeaderScaffold(
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title: 'List Example',
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slivers: [
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_StickyHeaderList(index: 0),
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_StickyHeaderList(index: 1),
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_StickyHeaderList(index: 2),
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_StickyHeaderList(index: 3),
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],
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);
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}
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}
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class _StickyHeaderList extends StatelessWidget {
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const _StickyHeaderList({
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Key? key,
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this.index,
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}) : super(key: key);
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final int? index;
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@override
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Widget build(BuildContext context) {
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return SliverStickyHeader(
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header: Header(index: index),
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sliver: SliverList(
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delegate: SliverChildBuilderDelegate(
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(context, i) => ListTile(
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onTap: () {
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print('tile $i');
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},
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leading: CircleAvatar(
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child: Text('$index'),
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),
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title: Text('List tile #$i'),
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),
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childCount: 6,
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),
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),
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);
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}
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}

‎lib/third_part/sticky_header/mix_slivers.dart‎

Lines changed: 62 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,62 @@
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import 'package:flutter/material.dart';
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import 'package:flutter_sticky_header/flutter_sticky_header.dart';
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import 'sticky_header_common.dart';
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class MixSliversExample extends StatelessWidget {
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const MixSliversExample({
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Key? key,
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}) : super(key: key);
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@override
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Widget build(BuildContext context) {
13+
return StickyHeaderScaffold(
14+
title: 'List Example',
15+
slivers: [
16+
SliverAppBar(
17+
backgroundColor: Colors.orange,
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title: Text('SliverAppBar'),
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automaticallyImplyLeading: false,
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pinned: true,
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),
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SliverToBoxAdapter(
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child: Container(
24+
height: 50,
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color: Colors.red,
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),
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),
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_StickyHeaderList(index: 0),
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_StickyHeaderList(index: 1),
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_StickyHeaderList(index: 2),
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_StickyHeaderList(index: 3),
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],
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);
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}
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}
36+
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class _StickyHeaderList extends StatelessWidget {
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const _StickyHeaderList({
39+
Key? key,
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this.index,
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}) : super(key: key);
42+
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final int? index;
44+
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@override
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Widget build(BuildContext context) {
47+
return SliverStickyHeader(
48+
header: Header(index: index),
49+
sliver: SliverList(
50+
delegate: SliverChildBuilderDelegate(
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(context, i) => ListTile(
52+
leading: CircleAvatar(
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child: Text('$index'),
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),
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title: Text('List tile #$i'),
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),
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childCount: 6,
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),
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),
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);
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}
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}

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